How severe is CVE-2018-20577?

CVE-2018-20577 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2018-20577 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20577?

CVE-2018-20577 affects Orange Arv7519rw22 Livebox 2.1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20577?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-20577 published?

CVE-2018-20577 was published on 2018-12-28 and last updated on 2026-06-17.

CVE-2018-20577

CVE-2018-20577 is a critical-severity vulnerability in Orange Arv7519rw22 Livebox 2.1 Firmware with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 9.4
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Orange Arv7519rw22 Livebox 2.1 Firmware
Published: 2018-12-28
Last modified: 2026-06-17

Description

Orange Livebox 00.96.320S devices allow cgi-bin/restore.exe, cgi-bin/firewall_SPI.exe, cgi-bin/setup_remote_mgmt.exe, cgi-bin/setup_pass.exe, and cgi-bin/upgradep.exe CSRF. This is related to Firmware 01.11.2017-11:43:44, Boot v0.70.03, Modem 5.4.1.10.1.1A, Hardware 02, and Arcadyan ARV7519RW22-A-L T VR9 1.2.

Frequently asked questions

What is CVE-2018-20577?: Orange Livebox 00.96.320S devices allow cgi-bin/restore.exe, cgi-bin/firewall_SPI.exe, cgi-bin/setup_remote_mgmt.exe, cgi-bin/setup_pass.exe, and cgi-bin/upgradep.exe CSRF. This is related to Firmware 01.11.2017-11:43:44, Boot v0.70.03, Modem 5.4.1.10.1.1A, Hardware 02, and Arcadyan ARV7519RW22-A-L T VR9 1.2.
How severe is CVE-2018-20577?: CVE-2018-20577 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2018-20577 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20577?: CVE-2018-20577 affects Orange Arv7519rw22 Livebox 2.1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20577?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-20577 published?: CVE-2018-20577 was published on 2018-12-28 and last updated on 2026-06-17.

References

https://github.com/zadewg/LIVEBOX-0DAY

Affected products (1)

cpe:2.3:o:orange:arv7519rw22_livebox_2.1_firmware:00.96.320s:*:*:*:*:*:*:*

More vulnerabilities in Orange Arv7519rw22 Livebox 2.1 Firmware

CVE-2018-20377 — Critical (CVSS 9.8): Orange Livebox 00.96.320S devices allow remote attackers to discover Wi-Fi credentials via /get_getnetworkconf.cgi on…
CVE-2018-20575 — High (CVSS 7.5): Orange Livebox 00.96.320S devices have an undocumented /system_firmwarel.stm URI for manual firmware update. This is…
CVE-2018-20576 — Medium (CVSS 5.4): Orange Livebox 00.96.320S devices allow cgi-bin/autodialing.exe and cgi-bin/phone_test.exe CSRF, leading to arbitrary…

All CVEs affecting Orange Arv7519rw22 Livebox 2.1 Firmware →

Other CWE-352 (Cross-Site Request Forgery (CSRF)) vulnerabilities

CVE-2025-32642 — Critical (CVSS 10.0): Cross-Site Request Forgery (CSRF) vulnerability in appsbd Vite Coupon vite-coupon allows Remote Code Inclusion.This…
CVE-2025-23922 — Critical (CVSS 10.0): Cross-Site Request Forgery (CSRF) vulnerability in Harsh iSpring Embedder embed-ispring allows Upload a Web Shell to a…
CVE-2017-5145 — Critical (CVSS 10.0): An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11_U05, and VMU-C PV prior to firmware…
CVE-2019-25729 — Critical (CVSS 9.8): PDF Signer 3.0 contains a server-side template injection vulnerability that allows unauthenticated attackers to execute…
CVE-2025-48340 — Critical (CVSS 9.8): Cross-Site Request Forgery (CSRF) vulnerability in Danny Vink User Profile Meta Manager user-profile-meta allows…
CVE-2025-2907 — Critical (CVSS 9.8): The Order Delivery Date WordPress plugin before 12.3.1 does not have authorization and CSRF checks when importing…

Browse all CWE-352 (Cross-Site Request Forgery (CSRF)) vulnerabilities →